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GIS
2009
ACM
13 years 8 months ago
Classification of raster maps for automatic feature extraction
Raster maps are widely available and contain useful geographic features such as labels and road lines. To extract the geographic features, most research work relies on a manual st...
Yao-Yi Chiang, Craig A. Knoblock
GIS
2005
ACM
14 years 5 months ago
Automatic extraction of road intersections from raster maps
Numerous raster maps are available on the Internet, but the geographic coordinates of the maps are often unknown. In order to determine the precise location of a raster map, we ex...
Yao-Yi Chiang, Craig A. Knoblock, Ching-Chien Chen
ICDAR
2009
IEEE
13 years 2 months ago
A Method for Automatically Extracting Road Layers from Raster Maps
To exploit the road network in raster maps, the first step is to extract the pixels that constitute the roads and then vectorize the road pixels. Identifying colors that represent...
Yao-Yi Chiang, Craig A. Knoblock
GIS
2008
ACM
13 years 5 months ago
Automatic extraction of road intersection position, connectivity, and orientations from raster maps
The road network is one of the most important types of information on raster maps. In particular, the set of road intersection templates, which consists of the road intersection p...
Yao-Yi Chiang, Craig A. Knoblock